PFNGLRENDERGPUMASKNVPROCDart typedef
        PFNGLRENDERGPUMASKNVPROCDart =
     void Function(int mask)
    
    
    
Implementation
typedef PFNGLRENDERGPUMASKNVPROCDart = void Function(int mask);typedef PFNGLRENDERGPUMASKNVPROCDart = void Function(int mask);